From 9c40c27561172a943295963ff631c7b6b6539d7b Mon Sep 17 00:00:00 2001
From: Shreeyash Pandey <shreeyash335@gmail.com>
Date: Tue, 14 Oct 2025 00:36:34 +0530
Subject: [PATCH] add l2m4m extension for math rendering

Signed-off-by: Shreeyash Pandey <shreeyash335@gmail.com>
---
 blag/markdown.py       |  3 +++
 pyproject.toml         |  1 +
 tests/test_markdown.py | 14 ++++++++++++++
 3 files changed, 18 insertions(+)

diff --git a/blag/markdown.py b/blag/markdown.py
index ee4c573..8230e4b 100644
--- a/blag/markdown.py
+++ b/blag/markdown.py
@@ -13,6 +13,8 @@
 from markdown import Markdown
 from markdown.extensions import Extension
 from markdown.treeprocessors import Treeprocessor
+from l2m4m import LaTeX2MathMLExtension
+
 
 logger = logging.getLogger(__name__)
 
@@ -35,6 +37,7 @@ def markdown_factory() -> Markdown:
             "codehilite",
             "smarty",
             MarkdownLinkExtension(),
+            LaTeX2MathMLExtension(),
         ],
         output_format="html",
     )
diff --git a/pyproject.toml b/pyproject.toml
index 0a2aa14..d1ee353 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,6 +18,7 @@ dependencies = [
     "jinja2",
     "markdown",
     "pygments",
+    "l2m4m",
 ]
 
 [project.scripts]
diff --git a/tests/test_markdown.py b/tests/test_markdown.py
index 5e393d2..4b2d246 100644
--- a/tests/test_markdown.py
+++ b/tests/test_markdown.py
@@ -111,3 +111,17 @@ def test_smarty_code() -> None:
     assert "mdash" not in html
     assert "ndash" not in html
     assert "hellip" not in html
+
+def test_l2m4m_extension() -> None:
+    """Test LaTeX math rendering via l2m4m extension."""
+    md = markdown_factory()
+    markdown_input = (
+        "Quick math: $E = mc^2$\n"
+    )
+    expected_output_fragments = [
+        'math display="inline"',
+    ]
+    html, _ = convert_markdown(md, markdown_input)
+
+    for fragment in expected_output_fragments:
+        assert fragment in html